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A few days ago, someone commented on O2 cleaning a tank with a 409 solution. Anyone care to post a synopsis? I have to O2 clean my 30 cu foot pony for this class I'm taking...the valve isn't a problem if I ignore the seat, (I got the O-Rings, and I have the GMC O2 safe lube). I'll bet that the bottle of 409 doesn't have instructions on the side (Degreasing for O2 service: Use a 10% solution at a minimum temperature of 110F. Rinse for 10 minutes. Rinse again with hot clean water, followed by cooler water.) so I thought I'd ask here. By the way, I have some stuff called GMC Compound B, which is advertised as a 'Flash Rust Preventer'. You are supposed to be able to take a tumbled tank and rinse it with a solution of this stuff, which will (supposedly) keep flash rust from forming. I was thinking about it for Genesis cleaning. Does anyone know if this stuff is O2 safe? If not, I'll give GMC a call and ask them. -- Nick Simicich - njs%scifi.uucp@uu*.uu*.ne* - njs@bc*.vn*.ib*.co*
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